铁矿资源开发利用评价技术数学模型

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1、中南大学博士学位论文铁矿资源开发利用评价技术数学模型姓名：石云良申请学位级别：博士专业：矿物加工工程指导教师：邱冠周20050601ABSTRACTTheannualconsumptionofvariousmineralsUSedinnationwideindustriesinChinaisover5billionstons，and90percentageofenergyand80percentageofrawmaterialsneededoriginatefromtheseminerals．Whilethedevelopmen

2、tofthenationaleconomycontinues，unfortunately，theresourceswithvaluableelementsaregettingdepleted．andtheportionofdi伍cult．tO—treatedresourcesiSgrowing．andtheoverallrecoveryoftheresourcesinChinais10WuDto20％inthecomparisonwiththedevelopedcountries．Furthermore，thestockpile

3、dtailingsafterthetreatmentoccupythefarmlandandpollutethesurroundings．Thus，inordertofullydeveloptheactiveeriectsofmineralresourcesonindustrialfeed，nationaleconomy,environmentandsociety,itisnecessarytobuildourscientificsystemforevaluathagnlirleralresourcesutilizationac

4、cordingtotheprinciplesofhighefficiency,lowenergyconsumptionandnon—pollutionandwiththeaidofthelatestinformationtechnology．Thepresentsituationoftheutilizationofironoresanditsevaluationsystemsisanalyzedandsunmaarized．Therelateddataandpapersareextensivelycollectedbyretri

5、evingpapers，enquiringrelevantexpertsandvisitingtheplants．OnthebasisoftherelatedindustrialproductiondataoffourkeyironandsteelCo．(PanzhihuaIronandSteelCo．，BaotouIronandSteelCo．，JiuquanIronandSteelCo．andAnshanIronandSteelCo．1，anumberofmodels，suchasironrecoveryversustheg

6、radeofironconcentrate．consumptionofironconcentratesversusthegradeofironconcentrate，sinterproductversusthegradeofironconcentrate，consumptionoffluxversusthegradeofironconcentrateandtheutilizationtoefficientoffumaceversusthegradeofironconcentrate．areestablishedwiththehe

7、lpofsoftwareMatlab．Aftertheeffectsofthegradeofironconcentratesonthesub—processesofbeneficiation，sinterandiron-making(namedoverallprocess)aresystematicallyanalyzed，itisessentialthattheoptimizationofthegradeofironconcentratesforoverallprocess(includingthethreesub-proce

8、sses)meetthefollowingsixobjectives：profitsobtainedandtheconsumptionsofironores，flux，coke，electricityandcoal。Anewmethodnamed‘costmet